How are Cognitive Deficits Diagnosed?

  • Cognitive disorders are commonly assessed and diagnosed by:
    • Interviewing the person with PD.
    • Asking family members or caregivers about their observations.
  • Administering cognitive screening tests such as the Mini-Mental State Examination (MMSE) or Montreal Cognitive Assessment (MOCA).The neurologist will ask questions that evaluate the person’s understanding of where and who they are, the date and year, attention, memory, language and problem solving skills.
  • The neurologist may refer the patient to a clinical neuropsychologist for a more detailed assessment.
  • A neuropsychological assessment can be an important diagnostic tool for differentiating PD from other dementing illnesses such as Alzheimer’s disease (AD), stroke or dementia.

Want to Learn More?

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Mind, Mood and Memory

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What does a caregiver need to know about cognitive impairment?

Medical content reviewed by: Nina Browner, MD—Medical Director of the NPF Center of Excellence at the University of North Carolina at Chapel Hill in North Carolina and by Fernando Pagan, MD—Medical Director of the NPF Center of Excellence at Georgetown University Hospital in Washington, D.C.

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